Tehuantepec Forecast
April 20, 2026, 9:01 pm (UTC: -04:00)
Subject: Tehuantepec Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...GALE WARNING...
.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15N95.5W TO 15N95W
TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN
14N94W TO 16N95W TO 15N97W TO 12N99W TO 12N97W TO 13N95W TO
14N94W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.06 HOUR FORECAST WITHIN 16N94W TO 14N96W TO 15N97W TO 11N98W TO
11N97W TO 13N94W TO 16N94W WINDS 20 KT OR LESS...EXCEPT N OF 15N
N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT IN NE SWELL
S OF 15N.
.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 14N97W TO 13N97W TO
13N95W TO 14N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15N95.5W TO 15N95W
TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN
14N94W TO 16N95W TO 15N97W TO 12N99W TO 12N97W TO 13N95W TO
14N94W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 14N97W TO 13N97W TO
13N95W TO 14N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
GULF OF TEHUANTEPEC GALE WARNING: A TIGHT PRESSURE GRADIENT
BETWEEN HIGH PRESSURE RIDGING ALONG EASTERN MEXICO AND LOWER
PRESSURE TO THE SOUTH IS SUSTAINING MINIMAL GALE-FORCE NORTH TO
NORTHEAST WINDS OVER THE NORTHERN GULF OF TEHUANTEPEC REGION. THE
GRADIENT WILL RELAX BY EARLY THIS EVENING ALLOWING FOR THE GALE
WINDS TO DIMINISH TO STRONG SPEEDS. SEAS WITH THESE WINDS ARE
PEAKING TO NEAR 11 FT. LEFTOVER ROUGH SEAS WILL SUBSIDE TUE EVENING.
MARINE INTERESTS TRANSITING THROUGH, OR NEAR THE GULF OF TEHUANTEPEC
SHOULD STAY TUNED TO THE LATEST FORECAST.
PLEASE SEE THE SPECIAL FEATURES SECTION ABOVE FOR INFORMATION ON
AN ONGOING, BUT SOON TO END, GAP WIND GALE-EVENT IN THE GULF OF
TEHUANTEPEC.
FOR THE FORECAST, ASIDE FROM THE ONGOING GULF OF TEHUANTEPEC
GALE EVENT, RATHER QUIET CONDITIONS WILL REMAIN OVER THE FORECAST
WATERS THROUGH TUE. A SET OF NORTHWEST SWELL WILL MOVE THROUGH
THE WATERS WEST OF BAJA CALIFORNIA NORTE TUE NIGHT INTO WED, BUT
WILL BE SUBSIDING AS IT DOES. SEAS ARE EXPECTED TO PEAK TO
AROUND 8 FT WITH THIS SWELL. FRESH TO LOCALLY STRONG NORTHWEST
WINDS ARE FORECAST OVER THE PACIFIC WATERS OF BAJA CALIFORNIA
BEGINNING WED NIGHT. NORTHWEST WINDS WILL PULSE TO MODERATE TO
FRESH SPEEDS AT NIGHT OFFSHORE SOUTHWESTERN MEXICO TUE THROUGH
FRI. ELSEWHERE, MOSTLY LIGHT TO GENTLE WEST TO NORTHWEST WINDS
ARE EXPECTED THROUGH THE END OF THE WEEK.
SHORT-TERM TEHUANTEPEC
TODAY - N 19-24, Seas SSW 4.1-6.1 ft @ 18sec
TONITE - NNW 24-30, Seas NW 6.9-8.2 ft @ 7sec
WEDNESDAY - Not available yet
WEDNESDAY NIGHT - Not available yet
LONG-TERM TEHUANTEPEC
THURSDAY - SSW 9-11, Seas SSW 1.6-4.3 ft @ 14sec
FRIDAY - SSW 9-11, Seas SSW 2.3-4.1 ft @ 13sec
SATURDAY - SW 5-6, Seas N/A ?-? ft @ ?
SUNDAY - SW 8-10, Seas N/A ?-? ft @ ?
MONDAY - Not available yet